| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have become a | 145 |
|
| 2 | it have become a | 145 |
|
| 3 | it has become a | 92 |
|
| 4 | it had become a | 46 |
|
| 5 | it 's become a | 6 |
|
